🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.71

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.47 AU - 0.59 AU

Year: 167 Days

Day: 15.2 Hours

Environment

Temp: 22 °C

Axial Tilt: 32.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.57 AU - 0.57 AU

Year: 187 Days

Day: 39.1 Hours

Environment

Temp: 32 °C

Axial Tilt: 32.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.53

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.61 AU - 0.71 AU

Year: 232 Days

Day: 25.5 Hours

Environment

Temp: 15 °C

Axial Tilt: 48.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 74,650,362 km

• M1: 639,680 km (0.106 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.21

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.56 AU - 0.76 AU

Year: 232 Days

Day: 12.4 Hours

Environment

Temp: 8 °C

Axial Tilt: 0 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 74,650,362 km

• M1: 112,946 km (0.04 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.25

Radius: 0.57

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.24 AU - 1.88 AU

Year: 845 Days

Day: 34.5 Hours

Environment

Temp: -89 °C

Axial Tilt: 7.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27.7

Radius: 14.4

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 2.6 AU - 3.4 AU

Year: 2252 Days

Day: 7.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 74,650,362 km

• M1: 211,382 km (0.063 R)
• M2: 649,404 km (0.11 R)
• M3: 843,882 km (0.105 R)
• M4: 1,013,077 km (0.065 R)
• M5: 1,121,386 km (0.116 R)
• M6: 1,320,201 km (0.077 R)
• M7: 1,488,050 km (0.107 R)
• M8: 1,585,737 km (0.112 R)
• M9: 1,910,365 km (0.084 R)
• M10: 2,225,418 km (0.088 R)
• M11: 3,023,223 km (0.076 R)
• M12: 3,205,733 km (0.087 R)
• M13: 3,327,206 km (0.098 R)
• M14: 3,515,849 km (0.095 R)
• M15: 3,850,948 km (0.111 R)
• M16: 4,306,324 km (0.051 R)
• M17: 4,472,677 km (0.062 R)
• M18: 4,795,360 km (0.088 R)
• M19: 4,992,679 km (0.117 R)
• M20: 5,117,444 km (0.11 R)
• M21: 5,243,256 km (0.074 R)
• M22: 5,713,442 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 214.3

Radius: 11.1

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 6.04 AU - 8.42 AU

Year: 8427 Days

Day: 8.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (53)

Outer Limit: 74,650,362 km

• M1: 360,531 km (0.025 R)
• M2: 432,487 km (0.12 R)
• M3: 828,922 km (0.117 R)
• M4: 1,107,024 km (0.104 R)
• M5: 1,235,529 km (0.102 R)
• M6: 1,369,269 km (0.101 R)
• M7: 2,399,849 km (0.087 R)
• M8: 2,702,934 km (0.1 R)
• M9: 2,918,505 km (0.075 R)
• M10: 3,620,418 km (0.104 R)
• M11: 3,771,362 km (0.092 R)
• M12: 4,101,824 km (0.085 R)
• M13: 5,690,105 km (0.094 R)
• M14: 5,967,459 km (0.093 R)
• M15: 6,326,943 km (0.065 R)
• M16: 6,587,991 km (0.088 R)
• M17: 7,283,472 km (0.113 R)
• M18: 7,447,281 km (0.048 R)
• M19: 8,628,207 km (0.113 R)
• M20: 10,475,890 km (0.033 R)
• M21: 10,599,308 km (0.058 R)
• M22: 10,754,142 km (0.101 R)
• M23: 11,191,566 km (0.105 R)
• M24: 11,987,427 km (0.086 R)
• M25: 12,116,380 km (0.072 R)
• M26: 13,298,503 km (0.066 R)
• M27: 15,000,478 km (0.101 R)
• M28: 15,594,680 km (0.104 R)
• M29: 15,806,212 km (0.087 R)
• M30: 17,168,151 km (0.102 R)
• M31: 17,386,713 km (0.094 R)
• M32: 17,789,730 km (0.081 R)
• M33: 18,121,688 km (0.094 R)
• M34: 18,604,889 km (0.047 R)
• M35: 18,679,538 km (0.074 R)
• M36: 19,470,163 km (0.105 R)
• M37: 19,546,009 km (0.112 R)
• M38: 20,003,180 km (0.101 R)
• M39: 20,079,774 km (0.085 R)
• M40: 20,156,368 km (0.067 R)
• M41: 20,773,160 km (0.092 R)
• M42: 21,122,771 km (0.113 R)
• M43: 21,867,319 km (0.071 R)
• M44: 22,341,993 km (0.099 R)
• M45: 22,500,866 km (0.117 R)
• M46: 22,580,602 km (0.116 R)
• M47: 22,780,016 km (0.072 R)
• M48: 23,948,674 km (0.107 R)
• M49: 24,192,818 km (0.115 R)
• M50: 24,519,689 km (0.077 R)
• M51: 25,343,375 km (0.065 R)
• M52: 27,399,448 km (0.032 R)
• M53: 28,684,644 km (0.064 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 380.4

Radius: 6.5

Gravity: 9 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 7.76 AU - 12.04 AU

Year: 13502 Days

Day: 23.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 91.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (89)

Outer Limit: 74,650,362 km

• M1: 97,837 km (0.114 R)
• M2: 160,369 km (0.064 R)
• M3: 248,482 km (0.052 R)
• M4: 330,462 km (0.113 R)
• M5: 422,764 km (0.069 R)
• M6: 554,859 km (0.076 R)
• M7: 617,989 km (0.085 R)
• M8: 989,889 km (0.049 R)
• M9: 1,510,041 km (0.104 R)
• M10: 1,577,510 km (0.086 R)
• M11: 2,003,863 km (0.092 R)
• M12: 2,281,218 km (0.102 R)
• M13: 2,517,433 km (0.076 R)
• M14: 2,570,989 km (0.048 R)
• M15: 2,624,844 km (0.106 R)
• M16: 3,013,051 km (0.067 R)
• M17: 3,419,209 km (0.119 R)
• M18: 3,598,427 km (0.101 R)
• M19: 3,780,937 km (0.082 R)
• M20: 3,935,322 km (0.027 R)
• M21: 4,314,253 km (0.065 R)
• M22: 4,771,125 km (0.11 R)
• M23: 5,005,395 km (0.107 R)
• M24: 5,140,931 km (0.106 R)
• M25: 5,907,770 km (0.113 R)
• M26: 6,087,137 km (0.103 R)
• M27: 6,747,313 km (0.116 R)
• M28: 8,901,522 km (0.114 R)
• M29: 9,860,145 km (0.101 R)
• M30: 10,244,163 km (0.048 R)
• M31: 10,851,381 km (0.109 R)
• M32: 10,895,213 km (0.088 R)
• M33: 13,819,103 km (0.084 R)
• M34: 15,023,067 km (0.104 R)
• M35: 15,415,462 km (0.043 R)
• M36: 16,663,108 km (0.069 R)
• M37: 17,171,143 km (0.095 R)
• M38: 17,222,305 km (0.098 R)
• M39: 18,150,560 km (0.099 R)
• M40: 19,148,079 km (0.089 R)
• M41: 20,055,539 km (0.064 R)
• M42: 20,270,960 km (0.097 R)
• M43: 20,867,706 km (0.04 R)
• M44: 21,195,625 km (0.084 R)
• M45: 21,250,527 km (0.042 R)
• M46: 22,078,402 km (0.112 R)
• M47: 22,412,603 km (0.085 R)
• M48: 23,708,869 km (0.102 R)
• M49: 24,394,775 km (0.106 R)
• M50: 24,740,197 km (0.046 R)
• M51: 25,319,589 km (0.108 R)
• M52: 25,786,185 km (0.091 R)
• M53: 26,905,925 km (0.082 R)
• M54: 27,322,406 km (0.077 R)
• M55: 28,041,373 km (0.112 R)
• M56: 28,101,511 km (0.112 R)
• M57: 28,342,813 km (0.114 R)
• M58: 28,645,299 km (0.115 R)
• M59: 28,705,887 km (0.114 R)
• M60: 29,497,858 km (0.087 R)
• M61: 29,559,043 km (0.101 R)
• M62: 30,235,375 km (0.037 R)
• M63: 30,297,010 km (0.073 R)
• M64: 30,358,793 km (0.119 R)
• M65: 30,420,577 km (0.101 R)
• M66: 30,482,511 km (0.11 R)
• M67: 30,544,444 km (0.113 R)
• M68: 30,606,378 km (0.117 R)
• M69: 31,791,044 km (0.087 R)
• M70: 31,916,706 km (0.051 R)
• M71: 35,044,648 km (0.116 R)
• M72: 35,694,950 km (0.116 R)
• M73: 36,941,399 km (0.093 R)
• M74: 37,404,255 km (0.097 R)
• M75: 37,669,492 km (0.071 R)
• M76: 38,871,212 km (0.114 R)
• M77: 39,274,677 km (0.115 R)
• M78: 39,679,339 km (0.112 R)
• M79: 40,085,497 km (0.111 R)
• M80: 40,357,018 km (0.112 R)
• M81: 40,425,085 km (0.109 R)
• M82: 40,561,069 km (0.07 R)
• M83: 41,380,716 km (0.061 R)
• M84: 42,136,783 km (0.118 R)
• M85: 42,758,811 km (0.112 R)
• M86: 42,828,075 km (0.048 R)
• M87: 44,362,201 km (0.112 R)
• M88: 45,843,220 km (0.105 R)
• M89: 47,987,107 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 922.2

Radius: 7.7

Gravity: 15.55 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 11.16 AU - 11.7 AU

Year: 16751 Days

Day: 19.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 74,650,362 km

• M1: 114,592 km (0.116 R)
• M2: 338,989 km (0.06 R)
• M3: 604,974 km (0.027 R)
• M4: 904,469 km (0.101 R)
• M5: 1,164,171 km (0.095 R)
• M6: 1,417,739 km (0.047 R)
• M7: 1,506,151 km (0.066 R)
• M8: 1,657,844 km (0.112 R)
• M9: 1,719,927 km (0.106 R)
• M10: 1,976,038 km (0.112 R)
• M11: 2,108,732 km (0.107 R)
• M12: 3,041,325 km (0.09 R)
• M13: 3,590,349 km (0.057 R)
• M14: 4,085,219 km (0.119 R)
• M15: 4,427,050 km (0.038 R)
• M16: 4,557,649 km (0.073 R)
• M17: 5,092,611 km (0.1 R)
• M18: 6,076,366 km (0.106 R)
• M19: 7,736,603 km (0.073 R)
• M20: 8,806,827 km (0.07 R)
• M21: 9,471,041 km (0.074 R)
• M22: 9,527,140 km (0.031 R)
• M23: 9,752,584 km (0.09 R)
• M24: 12,041,282 km (0.118 R)
• M25: 12,530,617 km (0.07 R)
• M26: 12,592,102 km (0.033 R)
• M27: 15,732,161 km (0.119 R)
• M28: 17,422,318 km (0.104 R)
• M29: 18,044,794 km (0.092 R)
• M30: 18,393,806 km (0.049 R)
• M31: 18,463,818 km (0.08 R)
• M32: 19,169,322 km (0.117 R)
• M33: 19,382,648 km (0.104 R)
• M34: 19,525,364 km (0.08 R)
• M35: 20,244,033 km (0.087 R)
• M36: 20,971,378 km (0.118 R)
• M37: 21,338,341 km (0.094 R)
• M38: 21,485,695 km (0.07 R)
• M39: 21,929,701 km (0.097 R)
• M40: 22,601,546 km (0.079 R)
• M41: 23,888,835 km (0.047 R)
• M42: 24,271,955 km (0.054 R)
• M43: 26,851,172 km (0.093 R)
• M44: 26,930,609 km (0.101 R)
• M45: 28,780,985 km (0.115 R)
• M46: 30,257,366 km (0.113 R)
• M47: 30,340,243 km (0.072 R)
• M48: 31,171,858 km (0.113 R)
• M49: 32,687,584 km (0.118 R)
• M50: 32,942,498 km (0.12 R)
• M51: 33,283,432 km (0.095 R)
• M52: 34,054,908 km (0.045 R)
• M53: 35,092,669 km (0.074 R)
• M54: 36,228,565 km (0.119 R)
• M55: 38,357,193 km (0.095 R)
• M56: 38,536,411 km (0.068 R)
• M57: 39,256,127 km (0.085 R)
• M58: 39,527,049 km (0.081 R)
• M59: 39,617,555 km (0.071 R)
• M60: 42,548,926 km (0.072 R)
• M61: 42,734,427 km (0.109 R)
• M62: 43,479,125 km (0.049 R)
• M63: 44,040,566 km (0.118 R)
• M64: 45,075,933 km (0.096 R)
• M65: 46,500,853 km (0.112 R)
• M66: 47,170,901 km (0.07 R)
• M67: 48,326,844 km (0.103 R)
• M68: 48,617,214 km (0.081 R)
• M69: 50,176,173 km (0.042 R)
• M70: 51,454,786 km (0.108 R)
• M71: 51,949,357 km (0.074 R)
• M72: 52,445,573 km (0.114 R)
• M73: 54,950,140 km (0.096 R)
• M74: 55,354,354 km (0.066 R)
• M75: 56,166,072 km (0.092 R)
• M76: 58,315,195 km (0.083 R)
• M77: 58,727,636 km (0.069 R)
• M78: 59,037,603 km (0.065 R)
• M79: 61,013,192 km (0.116 R)
• M80: 61,222,480 km (0.096 R)
• M81: 61,641,503 km (0.119 R)
• M82: 62,272,058 km (0.081 R)
• M83: 63,751,581 km (0.06 R)
• M84: 64,282,803 km (0.074 R)
• M85: 66,422,203 km (0.099 R)
• M86: 67,068,615 km (0.097 R)
• M87: 69,456,496 km (0.09 R)
• M88: 70,222,138 km (0.086 R)
• M89: 70,990,473 km (0.086 R)
• M90: 71,430,889 km (0.085 R)
• M91: 71,541,143 km (0.103 R)
• M92: 71,651,396 km (0.113 R)
• M93: 72,646,521 km (0.091 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 256 - 11,688 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit